DERICHS u KONERTZ Group is a fourth-generation family-run construction and real estate company based in the Rhine metropolitan region. Its service portfolio covers the complete lifecycle of properties and encompasses project development, planning, project management, and construction execution for both new builds and existing structures. Specialized subsidiaries handle the core areas of development, planning, management, and building. In addition to its operational focus in North Rhine-Westphalia, the group is active in the Berlin-Brandenburg capital region. The business scope also includes specific segments such as educational building construction and systematic land acquisition.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
This AI summary draws on the company's website, retrieved 9 May 2026. See our Data Quality Notice. Report error?
Source: German Commercial Register (Handelsregister) Aachen Local Court, HRA 9314 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| DERICHS u KONERTZ Baugesellschaft Verwaltung mbH | Persönlich haftende(r) Gesellschafter(in) | Aachen |
| Name | Type | City | Shares (%) |
|---|---|---|---|
DERICHS u KONERTZ GmbH u Co. KG | Kommanditist(in) | Aachen | — |
DEKO Bau Management Beteiligungs GmbH | Kommanditist(in) | Aachen | — |
Source: German Commercial Register (Handelsregister) Aachen Local Court, HRA 9314 (as of 31 October 2026)
| Date | Contract | Value |
|---|---|---|
| 19.10.2026 | Supplier · Stadtwerke Duisburg AG | — |
| 25.8.2026 | Supplier · Kreis Heinsberg | — |
| 20.4.2026 | Generalunternehmerleistungen (Planung ab LPH 5 HOAI und Bau) für den Erweiterungsneubau der Herbert-Grillo-Gesamtschule (HGG) in Duisburg) Supplier · SD Schulbaugesellschaft Duisburg mbH | — |
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €55,546,575 | €5,395,892 | €34,105,464 | 96 |
| 2023 | €53,563,415 | €1,448,830 | €25,907,692 | 95 |
| 2022 | Rohergebnis€14.5M2 | €84,560 | €18,172,827 | 95 |
| 2021 | Rohergebnis€8.9M2 | €113,721 | €8,908,468 | 95 |
| 2020 | — | -€325,661 | €12,027,704 | 0 |
| 2019 | — | — | €861,691 | — |
2 Rohergebnis nach § 276 HGB: Umsatzerlöse abzüglich Materialaufwand bzw. Herstellungskosten. Kleine und mittelgroße Kapitalgesellschaften dürfen diese Posten zusammenfassen; die Umsatzerlöse selbst sind dann nicht veröffentlicht und liegen über dem Rohergebnis.
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Source: German Commercial Register (Handelsregister) Aachen Local Court, HRA 9314 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €9,476,188 | 11.8% |
| Material Costs | €70,440,133 | 87.9% |
| Depreciation | €118,287 | 0.1% |
| Interest & Similar | €101,995 | 0.1% |
